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Cheap flights to Ontario from S$ 210

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3-4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — ONT
3 Apr — 10 Apr1
1 adult
Wed 3-4
Wed 10-4

Flights to Ontario in 2024

Find the latest flights to Ontario in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 215,256 searches and data was last updated on 29 March 2024.

Popular in

July

Cheapest in

October

Average price

S$ 1,173

Return from

S$ 1,092

One-way from

S$ 762
High demand for flights, 17% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for return flights in March 2024
From Singapore Changi to Los Angeles
One-way flight from Singapore Changi (SIN) to Ontario (ONT)

Cheap flights to Ontario in March & April 2024

Discover affordable flights and deals to Ontario in March and April 2024. In the last 7 days, Cheapflights users made a total of 215,256 searches and data was last updated on 29 March 2024.
The deals listed below are some of the cheapest flights available to Ontario in March and April 2024. Be sure to check back soon as deals update often.
Tue 30-406:10ORD - ONT
1 stop9h 02mDelta
Tue 30-417:19ONT - ORD
1 stop5h 40mDelta
Deal found 28-3S$ 380
Sat 13-417:15ORD - ONT
1 stop6h 22mDelta
Sat 20-407:00ONT - ORD
1 stop14h 58mDelta
Deal found 27-3S$ 394
Tue 23-413:45ORD - ONT
2 stops10h 55mDelta
Sat 27-414:00ONT - ORD
1 stop7h 58mDelta
Deal found 28-3S$ 401
Tue 2-413:00ORD - ONT
1 stop10h 52mAlaska Airlines
Tue 9-417:32ONT - ORD
1 stop10h 13mAlaska Airlines
Deal found 28-3S$ 421
Sat 20-406:00ORD - ONT
2 stops17h 53mAlaska Airlines
Sat 11-506:00ONT - ORD
1 stop15h 58mAlaska Airlines
Deal found 27-3S$ 422
Sat 13-405:32ORD - ONT
1 stop7h 50mDelta
Sat 20-405:45ONT - ORD
2 stops9h 05mDelta
Deal found 27-3S$ 428
Sat 13-411:45ORD - ONT
2 stops11h 52mDelta
Mon 15-422:00ONT - ORD
2 stops12h 43mDelta
Deal found 28-3S$ 434
Sat 27-406:00ORD - ONT
1 stop17h 28mAlaska Airlines
Sat 4-507:00ONT - ORD
2 stops14h 58mAlaska Airlines
Deal found 28-3S$ 456
Mon 8-417:46ORD - ONT
1 stop8h 13mAlaska Airlines
Wed 10-406:00ONT - ORD
1 stop10h 19mAlaska Airlines
Deal found 27-3S$ 468

Ontario 2024 flight deals

Explore flight deals for Ontario in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 215,256 searches and data were last updated on 29 March 2024.
These are some of the most attractive deals on flights to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 30-406:10ORD - ONT
1 stop9h 02mDelta
Tue 30-417:19ONT - ORD
1 stop5h 40mDelta
Deal found 28-3S$ 380
Sat 13-417:15ORD - ONT
1 stop6h 22mDelta
Sat 20-407:00ONT - ORD
1 stop14h 58mDelta
Deal found 27-3S$ 394
Tue 23-413:45ORD - ONT
2 stops10h 55mDelta
Sat 27-414:00ONT - ORD
1 stop7h 58mDelta
Deal found 28-3S$ 401
Sat 24-806:00ORD - ONT
1 stop7h 10mDelta
Sat 31-813:42ONT - ORD
1 stop6h 14mDelta
Deal found 28-3S$ 421
Sat 20-406:00ORD - ONT
2 stops17h 53mAlaska Airlines
Sat 18-506:00ONT - ORD
1 stop15h 49mAlaska Airlines
Deal found 27-3S$ 422
Sat 13-417:15ORD - ONT
1 stop6h 22mDelta
Mon 15-422:00ONT - ORD
2 stops12h 43mDelta
Deal found 28-3S$ 428
Sat 13-411:45ORD - ONT
2 stops11h 52mDelta
Mon 15-422:00ONT - ORD
2 stops12h 43mDelta
Deal found 28-3S$ 434
Mon 26-815:35ORD - ONT
1 stop8h 37mDelta
Mon 2-913:42ONT - ORD
1 stop6h 14mDelta
Deal found 28-3S$ 455
Sat 27-406:00ORD - ONT
1 stop17h 28mAlaska Airlines
Sat 4-507:00ONT - ORD
2 stops14h 58mAlaska Airlines
Deal found 28-3S$ 456

Flights to Ontario departing soon

Discover available last-minute flight options to Ontario, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 215,256 searches and data was last updated on 29 March 2024.
Browse through available last-minute flights traveling to Ontario. Tip: double check your flight details before making your reservation.
Wed 3-413:00ORD - ONT
1 stop10h 52mAlaska Airlines
Wed 10-406:00ONT - ORD
1 stop10h 19mAlaska Airlines
Deal found 28-3S$ 421
Sat 6-414:00ORD - ONT
2 stops10h 49mDelta
Sat 13-413:20ONT - ORD
1 stop6h 27mDelta
Deal found 28-3S$ 428
Mon 8-417:46ORD - ONT
1 stop8h 13mAlaska Airlines
Wed 10-406:00ONT - ORD
1 stop10h 19mAlaska Airlines
Deal found 27-3S$ 468
Fri 5-414:52ORD - ONT
2 stops10h 54mDelta
Sun 14-406:10ONT - ORD
1 stop8h 37mDelta
Deal found 28-3S$ 540
Sat 6-414:00ORD - ONT
2 stops10h 49mDelta
Sat 13-405:45ONT - ORD
2 stops8h 50mDelta
Deal found 28-3S$ 546
Sun 7-406:00ORD - ONT
1 stop19h 59mAlaska Airlines
Tue 11-620:09ONT - ORD
1 stop7h 31mAlaska Airlines
Deal found 29-3S$ 766
Fri 5-414:52ORD - ONT
2 stops10h 54mDelta
Sun 14-422:00ONT - ORD
2 stops12h 43mDelta
Deal found 28-3S$ 808
Thu 4-413:00ORD - ONT
1 stop10h 52mAlaska Airlines
Thu 11-406:30ONT - ORD
2 stops9h 49mAlaska Airlines
Deal found 27-3S$ 823
Fri 5-407:10ORD - ONT
1 stop7h 04mDelta
Sat 6-407:00ONT - ORD
1 stop9h 52mDelta
Deal found 28-3S$ 827

One-way flights to Ontario

Explore one-way flight options to Ontario for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 215,256 searches and data was last updated on 29 March 2024.
Take a look at some of the one-way flights departing to Ontario in the near future. Those seeking round-trip flights to Ontario should utilize the search form at the top of the page.
Wed 3-418:59ORD - ONT
1 stop6h 47mDelta
Deal found 27-3S$ 210
Wed 3-415:50ORD - ONT
2 stops9h 56mDelta
Deal found 27-3S$ 217
Tue 7-506:00ORD - ONT
2 stops17h 53mAlaska Airlines
Deal found 28-3S$ 220
Mon 8-417:46ORD - ONT
1 stop8h 13mAlaska Airlines
Deal found 28-3S$ 258
Sat 27-406:00ORD - ONT
2 stops17h 53mAlaska Airlines
Deal found 29-3S$ 274
Wed 1-506:00ORD - ONT
2 stops17h 53mAlaska Airlines
Deal found 28-3S$ 277
Tue 23-406:00ORD - ONT
2 stops17h 53mAlaska Airlines
Deal found 28-3S$ 279
Sat 3-819:20ORD - ONT
1 stop5h 48mDelta
Deal found 28-3S$ 282
Fri 12-416:21ORD - ONT
1 stop8h 43mUnited Airlines
Deal found 28-3S$ 283

Find flights to Ontario within your budget

Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 215,256 searches and data was last updated on 29 March 2024.

Fly from

Any airport

Budget

S$ 381 - S$ 669

Route

Depart

Return

Price

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 30-4

1 stop9h 02m

Ontario

Tue 30-4

1 stop5h 40m

S$ 380

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 13-4

1 stop6h 22m

Ontario

Sat 20-4

1 stop14h 58m

S$ 394

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 23-4

2 stops10h 55m

Ontario

Sat 27-4

1 stop7h 58m

S$ 401

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 24-8

1 stop7h 10m

Ontario

Sat 31-8

1 stop6h 14m

S$ 421

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 20-4

2 stops17h 53m

Ontario

Sat 18-5

1 stop15h 49m

S$ 422

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 13-4

1 stop6h 22m

Ontario

Mon 15-4

2 stops12h 43m

S$ 428

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 27-4

1 stop17h 28m

Ontario

Sat 4-5

2 stops14h 58m

S$ 456

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 27-4

1 stop29h 33m

Ontario

Sat 4-5

1 stop21h 45m

S$ 482

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 9-4

1 stop6h 43m

Ontario

Thu 11-4

1 stop6h 34m

S$ 669

Flights are sorted by cheapest first

Deals found on 28-3

Average price of flights to Ontario by month

Plan your trip to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight to Ontario is currently S$ 256 while a return flight costs S$ 450. Price data was last updated on 24 March 2024.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

14 - 23 °C

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

When is the best time to book a flight to Ontario?

Use this chart to determine the optimal time to book a return flight to Ontario. Price data was last updated on 28 January 2024.
The best time to book flights to Ontario is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly to Ontario?

Use this chart to determine the cheapest time to fly return to Ontario. Price data was last updated on 24 March 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Ontario should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday evenings, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 29 March 2024.
Read through reviews of airlines servicing Ontario, such as Delta, China Airlines and Etihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very Good
1,465 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.9

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

8.3
Very Good
1,465 reviews
8.3
Very Good
1,465 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.9

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

8.3
Very Good
1,006 reviews
8.3
Very Good
1,465 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.9

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

8.1
Very Good
11,383 reviews
8.3
Very Good
1,465 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.9

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

7.7
Good
4,545 reviews
8.3
Very Good
1,465 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.9

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

7.4
Good
11,470 reviews
8.3
Very Good
1,465 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.9

Food

7.9

Overall

8.3

Crew

8.7

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

  • What does ONT mean?

    ONT is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A ONT flight refers to a flight to Ontario Airport.

  • What airport do you fly into for flights to Ontario?

    If you book a flight to Ontario, you will be flying into Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario.

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